exam Maths Puzzle Numerical Ability

This question is confusing me. Please help.

Graph the inequality and shade in the correct area of the graph

x - 3y is less than or equal to 0

Read Solution (Total 0)

exam Other Question

Solve the quadratic equations by completing the square.

x^2-6x-3=0

This one I do not have any idea.

Thank you for your help. Elementary & Intermediate Algebra: Angela needs 20 quarts of 50% antifreeze solutioin in her radiator. She plans to obtain this by mixing some pure antifreeze with an appropriate amount of a 40% antifreeze solution. How many quarts of each should she use?